Switch valve with liquid pumping function

Abstract

The utility model discloses a switch valve with a liquid pumping function. The valve comprises a valve body, one end of the valve body is provided with a water inlet, the other end of the valve body is provided with a water outlet, the valve body is provided with a main channel communicated with the water inlet and the water outlet and is provided with a valve element used for opening and closing the main channel, the valve body is further provided with a water passing groove, and the water passing groove is provided with a first channel communicated with the water inlet and a second channel communicated with the water outlet; the device further comprises a first one-way valve, a second one-way valve and an elastically-deformable pressing head. The pressing head is assembled in the water passing groove to form a pump cavity; the first one-way valve is assembled in the first channel, the second one-way valve is assembled in the second channel, and an auxiliary channel flowing from the water inlet to the water outlet is formed; through cooperation of the pressing head, the first one-way valve and the second one-way valve, a manual liquid pumping function is formed, when the gear pump idles, the main channel is closed, and fluid is temporarily conveyed to the gear pump through the auxiliary channel by pressing the pressing head for multiple times, so that the gear pump recovers working.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch valve technical field especially, relate to a switch valve with pump liquid function. BACKGROUND

[0002] Soap dispenser is a kind of sanitary equipment for storing and dispensing liquid soap, hand sanitizer or disinfectant, widely used in family, public washroom or kitchen area.Its main function is to dispense cleaning agent quantitatively through mechanical or automatic way, avoid direct contact with container, so as to improve sanitary level and reduce the risk of cross infection.

[0003] In the application practice of soap dispenser gear pump liquid supply system, when the soap liquid delivery pipeline is in empty pipe state, the gear pump idles, and the phenomenon of unable to work appears.For this technical defect, the composite fluid control system composed of reversing valve, pressing pump and double three-way valve is generally used to solve the problem that the gear pump cannot work, but multiple valves and pumps are stacked together, resulting in large equipment space occupation and high cost. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model provides a switch valve with pump liquid function, which can effectively solve the problems existing in the prior art.

[0005] The technical scheme of the utility model is:

[0006] According to one aspect of the utility model, comprising: valve body, the valve body one end is provided with inlet, the other end is provided with outlet, the valve body is equipped with the main channel that communicates inlet and outlet, and is equipped with the valve core for opening and closing main channel, the valve body is equipped with water passing groove, and the water passing groove is equipped with the first channel that communicates inlet, and the second channel that communicates outlet;

[0007] Further, the first channel is equipped with the first mounting hole for installing first check valve at one end close to water passing groove;The second channel is equipped with the second mounting hole for installing second check valve at one end close to water passing groove.

[0008] Further, the first channel is equipped with the first mounting hole for installing first check valve at one end close to water passing groove;The second channel is equipped with the second mounting hole for installing second check valve at one end close to water passing groove.

[0009] Further, the first one-way valve comprises a first water passing piece, a first check valve piece and a first elastic reset piece, the first water passing piece is fixed to one end of the first mounting hole, the first check valve piece is movably arranged in the first mounting hole and is provided with the first elastic reset piece, the first check valve piece is moved to the other end of the first mounting hole by the first elastic reset piece to close the first channel.

[0010] Further, the first water passing piece is provided with a pipe body, the first elastic reset piece is a compression spring, one end of the compression spring abuts against the first water passing piece and is sleeved on the pipe body, and the other end of the compression spring supports the first check valve piece.

[0011] Further, the second one-way valve comprises a second water passing piece, a second check valve piece and a second elastic reset piece, the second water passing piece is fixed to the second mounting hole, the second check valve piece is movably arranged in the second mounting hole and is provided with the second elastic reset piece, and the second check valve piece is moved to the second water passing piece by the second elastic reset piece to close the second channel.

[0012] Further, the second elastic reset piece is a compression spring, and two ends of the compression spring support the second water passing piece and the second check valve piece respectively.

[0013] Further, the pressing head is an arc-shaped cover body.

[0014] Further, the pressing head is made of rubber or silicone.

[0015] Further, a sealing ring is further arranged, and the sealing ring is fixedly sleeved on the connection between the pressing head and the valve body.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] In the scheme, the manual pump liquid function is formed through the cooperation of the pressing head, the first one-way valve and the second one-way valve, the main channel is closed when the gear pump is idling, the fluid is temporarily delivered to the gear pump through the auxiliary channel through multiple pressing of the pressing head, the gear pump is restored to work, the fluid supply is quickly restored without relying on the external complex system, the gear pump is prevented from being damaged due to idling, the equipment reliability is improved, the number of parts and the occupied space are reduced, and the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The exploded structure of the utility model Figure 1 ;

[0020] Figure 2 The exploded structure of the utility model Figure 2 ;

[0021] Figure 3 In the utility model, the cross-sectional structure diagram of the first one-way valve is shown in the figure.

[0022] Figure 4 In the utility model, the cross-sectional structure diagram of the second one-way valve is shown in the figure.

[0023] Figure 5 In the utility model, the three-dimensional structure diagram of the valve body is shown in the figure.

[0024] Figure 6 The cross-sectional structure diagram of the utility model is shown in the figure.

[0025] Figure 7 In the utility model, the enlarged structure diagram of A is shown in the figure.

[0026] Figure 8 In the utility model, the enlarged structure diagram of B is shown in the figure.

[0027] Figure 9 In the utility model, the structure diagram of the main channel and the auxiliary channel is shown in the figure.

[0028] Figure 10 The three-dimensional structure diagram of the utility model is shown in the figure.

[0029] In the figure: valve body-1, main channel-10, water outlet-11, water inlet-12, first mounting hole-13, first channel-131, second mounting hole-14, auxiliary channel-15, water passing groove-16, second channel-141, valve core-2, pressing head-3, sealing ring-4, first one-way valve-5, first water passing part-50, pipe body-51, water passing hole-52, second one-way valve-6, second water passing part-60, first check valve piece-7, second check valve piece-8, first elastic reset part-9, second elastic reset part-90. DETAILED DESCRIPTION

[0030] The utility model will be described further in detail below in combination with the drawings and embodiments. It is particularly pointed out that the following embodiments are only used for illustrating the utility model, but do not limit the scope of the utility model. Similarly, the following embodiments are only part of the embodiments of the utility model rather than all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0031] As shown in Figures 1 to 10 The present application provides a switch valve with pumping function.

[0032] Please refer to Figures 1 to 10 , comprising: a valve body 1, the valve body 1 is provided with a water inlet 12 at one end and a water outlet 11 at the other end, the valve body 1 is provided with a main channel 10 connecting the water inlet 12 and the water outlet 11, and is equipped with a valve core 2 for opening and closing the main channel 10, the valve body 1 is also provided with a water passing groove 16, the water passing groove 16 is provided with a first channel 131 connected with the water inlet 12 and a second channel 141 connected with the water outlet;

[0033] It also includes a first one-way valve 5, a second one-way valve 6 and an elastically deformable pressing head 3; the pressing head 3 is assembled in the water passing groove 16 to form a pumping cavity; preferably, the pressing head 3 is an arc-shaped cover. The pressing head 3 is made of rubber or silicone. The first one-way valve 5 is assembled in the first channel 131, and the second one-way valve 6 is assembled in the second channel 141 to form a sub-channel 15 from the water inlet 12 to the water outlet 11.

[0034] The water inlet 12 of the valve body 1 is assembled in a gear pump (not shown in the figure), and the water outlet 11 of the valve body 1 is assembled in a faucet (not shown in the figure).

[0035] Please refer to Figures 1 to 9 , the first channel 131 is provided with a first mounting hole 13 near one end of the water passing groove 16 for mounting the first one-way valve 5, and the fluid conducting direction of the first one-way valve 5 is towards the water outlet 11; the second channel 141 is provided with a second mounting hole 14 near one end of the water passing groove 16 for mounting the second one-way valve 6, and the fluid conducting direction of the second one-way valve 6 is towards the water outlet 11.

[0036] Please refer to Figures 1 to 9 , the first one-way valve 5 includes a first water passing member 50, a first check valve piece 7 and a first elastic reset member 9, the first water passing member 50 is fixedly arranged at one end of the first mounting hole 13, the first check valve piece 7 is movably arranged in the first mounting hole 13 and is provided with the first elastic reset member 9, the first check valve piece 7 is moved towards the other end of the first mounting hole 13 by the first elastic reset member 9 to close the first channel 131. The first water passing member 50 is provided with a pipe body 51; the first elastic reset member 9 is a compression spring, one end of the compression spring abuts against the first water passing member 50 and is sleeved on the pipe body 51, and the other end of the compression spring holds the first check valve piece 7. Preferably, the first water passing member 50 is provided with two additional water passing holes 52 on the side wall of the pipe body 51, when the first check valve piece 7 abuts against the first water passing member 50, the fluid flows out through the water passing holes 52. The water outlet hole of the first water passing member 50 gradually increases in the water flow direction to increase the flow rate of the first water passing member 50.

[0037] Please refer to Figure 1 to Figure 9The second one-way valve 6 comprises a second water passing piece 60, a second check valve piece 8 and a second elastic reset piece 90, the second water passing piece 60 is fixedly arranged in the second mounting hole 14, the second check valve piece 8 is movably arranged in the second mounting hole 14 and is provided with the second elastic reset piece 90, the second check valve piece 8 is moved towards the second water passing piece 60 by the second elastic reset piece 90 to close the second channel 141. The second elastic reset piece 90 is a compression spring, and two ends of the compression spring are respectively supported on the second water passing piece 60 and the second check valve piece 8.

[0038] Please refer to Figure 1 、 Figure 2 、 Figure 9 and Figure 10 , further comprising a sealing ring 4, the sealing ring 4 is fixedly arranged at the connection between the pressing head 3 and the valve body 1. The sealing ring 4 is wrapped at the connection between the pressing head 3 and the valve body 1 to improve the sealing performance of the pressing head 3 and the valve body 1.

[0039] Working principle: when the gear pump fails, the main channel 10 is closed by the valve core 2, the pressing head 3 is pressed, the deformation of the pressing head 3 makes the pressure in the pump rise, the gas between the pressing head 3 and the water passing groove 16 moves to the water outlet 11, so that the second check valve piece 8 is separated from the second water passing piece 60 by overcoming the elastic force of the second elastic reset piece 90, and the gas is discharged from the water outlet 11 through the second mounting hole 14 and the second channel 141; when the pressing head 3 is released, the negative pressure is formed in the pressing head 3, with the increase of the space between the pressing head 3 and the water passing groove 16, the pressure in the pressing head 3 is reduced, the fluid and / or gas is sucked into the water passing groove 16 from the water inlet 12, specifically: the second check valve piece 8 is reset to abut against the second water passing piece 60 to close the second channel 141, at the same time, the fluid in the first channel 131 pushes away the first check valve piece 7, so that the first check valve piece 7 abuts against the first water passing piece 50, the first channel 131 is open, the pressure of the fluid in the pressing head 3 drives the second check valve piece 8 to separate from the second water passing piece 60, and the second channel 141 is open, so that the auxiliary channel 15 is open;

[0040] After pressing the pressing head 3 for three to five times, the fluid can be introduced into the gear pump, the pressing head 3 is stopped after the gear pump resumes work, the auxiliary channel 15 is closed, and then the main channel 10 is opened by the valve core 2.

[0041] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An on-off valve having a pump function, comprising: The valve body (1) is provided with a water inlet (12) at one end and a water outlet (11) at the other end, and is provided with a main channel (10) connecting the water inlet (12) and the water outlet (11), and is provided with a valve core (2) for opening and closing the main channel (10), characterized in that the valve body (1) is further provided with a water passing groove (16), which is provided with a first channel (131) connected with the water inlet (12) and a second channel (141) connected with the water outlet. It also comprises a first one-way valve (5), a second one-way valve (6) and an elastically deformable pressing head (3); the pressing head (3) is assembled in the water passing groove (16) to form a pump cavity; the first one-way valve (5) is assembled in the first channel (131), and the second one-way valve (6) is assembled in the second channel (141) to form a sub-channel (15) from the water inlet (12) to the water outlet (11).

2. The on-off valve having a liquid pumping function according to claim 1, wherein The first channel (131) is provided with a first mounting hole (13) for mounting the first one-way valve (5) at one end close to the water passing groove (16); the second channel (141) is provided with a second mounting hole (14) for mounting the second one-way valve (6) at one end close to the water passing groove (16).

3. The on-off valve having a liquid pumping function according to claim 2, wherein The first one-way valve (5) comprises a first water passing member (50), a first check valve plate (7) and a first elastic return member (9), the first water passing member (50) is fixed at one end of the first mounting hole (13), the first check valve plate (7) is movably arranged in the first mounting hole (13) and is provided with the first elastic return member (9), the first check valve plate (7) is moved towards the other end of the first mounting hole (13) by the first elastic return member (9) to close the first channel (131).

4. The on-off valve having a liquid pumping function according to claim 3, wherein The first water passing member (50) is provided with a pipe body (51); the first elastic return member (9) is a compression spring, one end of the compression spring abuts against the first water passing member (50) and is sleeved on the pipe body (51), and the other end of the compression spring supports the first check valve plate (7).

5. The on-off valve having a liquid pumping function according to claim 2, 3 or 4, wherein The second one-way valve (6) comprises a second water passing member (60), a second check valve plate (8) and a second elastic return member (90), the second water passing member (60) is fixed in the second mounting hole (14), the second check valve plate (8) is movably arranged in the second mounting hole (14) and is provided with the second elastic return member (90), the second check valve plate (8) is moved towards the second water passing member (60) by the second elastic return member (90) to close the second channel (141).

6. The on-off valve having a liquid pumping function according to claim 5, wherein The second elastic return member (90) is a compression spring, and the two ends of the compression spring support the second water passing member (60) and the second check valve plate (8) respectively.

7. The on-off valve having a liquid pumping function according to claim 1, wherein The pressing head (3) is an arc-shaped cover.

8. The on-off valve having a liquid pumping function according to claim 1 or 7, wherein The pressing head (3) is made of rubber or silicone.

9. The on-off valve having a liquid pumping function according to claim 1, wherein It also comprises a sealing ring (4) fixedly sleeved on the connection between the pressing head (3) and the valve body (1).

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